Learn how to splice a two-wire path with the industry standard DBR/Y-6 splice. Solid splices are essential to any two-wire system.
Remember that DBR/Y-6 splices are single use. Open the splice to test it, complete a new splice.
https://multimedia.3m.com/mws/media/660391O/3mtm-direct-bury-splice-dbr-y-6.pdf